The AM1735-2130D992 from Anatech Electronics is a RF Duplexer with Frequency 1710 to 1760 MHz / 2105 to 2155 MHz, Band 1 1710 to 1760 MHz, Band 2 2105 to 2155 MHz, Power 3 W, Insertion Loss 1.3 dB. Tags: Surface Mount. More details for AM1735-2130D992 can be seen below.